/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
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 *-------------------------------------------------------------------------------
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/*! \file rrc_gNB_NGAP.h
 * \brief rrc NGAP procedures for gNB
 * \author Yoshio INOUE, Masayuki HARADA
 * \date 2020
 * \version 0.1
 * \email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
 *         (yoshio.inoue%40fujitsu.com%2cmasayuki.harada%40fujitsu.com) 
 */

#ifndef RRC_GNB_NGAP_H_
#define RRC_GNB_NGAP_H_

#include <assertions.h>
#include <stdint.h>
#include "NR_RRCSetupComplete-IEs.h"
#include "NR_UECapabilityInformation.h"
#include "NR_UL-DCCH-Message.h"
#include "intertask_interface.h"
#include "ngap_messages_types.h"
#include "nr_rrc_defs.h"

extern mui_t rrc_gNB_mui;

void rrc_gNB_send_NGAP_NAS_FIRST_REQ(gNB_RRC_INST *rrc, gNB_RRC_UE_t *UE, NR_RRCSetupComplete_IEs_t *rrcSetupComplete);

int rrc_gNB_process_NGAP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, instance_t instance);

void rrc_gNB_send_NGAP_INITIAL_CONTEXT_SETUP_RESP(gNB_RRC_INST *rrc, gNB_RRC_UE_t *UE);

void rrc_gNB_send_NGAP_INITIAL_CONTEXT_SETUP_FAIL(uint32_t gnb,
                                                  const rrc_gNB_ue_context_t *const ue_context_pP,
                                                  const ngap_cause_t causeP);

int rrc_gNB_process_NGAP_DOWNLINK_NAS(MessageDef *msg_p, instance_t instance, mui_t *rrc_gNB_mui);

void rrc_gNB_send_NGAP_UPLINK_NAS(gNB_RRC_INST *rrc, gNB_RRC_UE_t *UE, const NR_UL_DCCH_Message_t *const ul_dcch_msg);

void rrc_gNB_send_NGAP_PDUSESSION_SETUP_RESP(gNB_RRC_INST *rrc, gNB_RRC_UE_t *UE, uint8_t xid);

void rrc_gNB_process_NGAP_PDUSESSION_SETUP_REQ(MessageDef *msg_p, instance_t instance);

int rrc_gNB_process_NGAP_PDUSESSION_MODIFY_REQ(MessageDef *msg_p, instance_t instance);

int rrc_gNB_send_NGAP_PDUSESSION_MODIFY_RESP(gNB_RRC_INST *rrc, gNB_RRC_UE_t *UE, uint8_t xid);

void rrc_gNB_modify_dedicatedRRCReconfiguration(gNB_RRC_INST *rrc, gNB_RRC_UE_t *ue_p);

void rrc_gNB_send_NGAP_UE_CONTEXT_RELEASE_REQ(const module_id_t gnb_mod_idP,
                                              const rrc_gNB_ue_context_t *const ue_context_pP,
                                              const ngap_cause_t causeP);

int rrc_gNB_process_NGAP_UE_CONTEXT_RELEASE_REQ(MessageDef *msg_p, instance_t instance);

int rrc_gNB_process_NGAP_UE_CONTEXT_RELEASE_COMMAND(MessageDef *msg_p, instance_t instance);

void rrc_gNB_send_NGAP_UE_CONTEXT_RELEASE_COMPLETE(instance_t instance,
                                                   uint32_t gNB_ue_ngap_id,
                                                   int num_pdu,
                                                   uint32_t pdu_session_id[256]);

void rrc_gNB_send_NGAP_UE_CAPABILITIES_IND(gNB_RRC_INST *rrc, gNB_RRC_UE_t *UE, const NR_UECapabilityInformation_t *const ue_cap_info);

int rrc_gNB_process_NGAP_PDUSESSION_RELEASE_COMMAND(MessageDef *msg_p, instance_t instance);

void rrc_gNB_send_NGAP_PDUSESSION_RELEASE_RESPONSE(gNB_RRC_INST *rrc, gNB_RRC_UE_t *UE, uint8_t xid);

void nr_rrc_pdcp_config_security(gNB_RRC_UE_t *UE, bool enable_ciphering);

int rrc_gNB_process_PAGING_IND(MessageDef *msg_p, instance_t instance);

#endif
